I have enjoyed both tunes, mainly from the added torque with a 6mt.
On the dyno the Cobb S1 gave simular numbers to the Dinnan S2.
The Cobb S1 Aggressive added about 20 + lb-ft torque at the low end and 20 to 30 hp at the top end over the Dinnan.
Both tunes are very smooth and fun to drive.